نتایج جستجو برای: protective
تعداد نتایج: 114550 فیلتر نتایج به سال:
18 INTERNATIONAL JOURNAL of BIRTH & PARENT EDUCATION u ISSUE 1 2013 T here are a number of major changes new parents encounter with the birth of their first baby that can contribute to a decline in relationship satisfaction. These include dealing with the demands of a new baby and associated fatigue, increased conflict and decline in couple-focused communication, an increase in traditional gend...
AIMS This paper examines ethnic differences in licit and illicit drug use among American 8th, 10th and 12th grade students, with a particular focus on girls. DESIGN The study uses cross-sectional data from large, ethnically diverse, nationally representative samples of 8th, 10th and 12th grade girls. SETTING Data were collected through questionnaires administered in schools. PARTICIPANTS ...
This article presents a study on the effect of different protective gloves (which are commercially available and commonly used in the cold) on manual dexterity in cold environments. The experiments compared statistically four different types of gloves and two different types of gloving (outer or double) at +19 °C and -10 °C. Performance was determined both objectively and subjectively using two...
Few studies have focused on the long-term influence of the climate on the prevalence of asthma. The aim of this study is to establish the influence of geo-climatic conditions on the prevalence of asthma symptoms both in adolescents and schoolchildren, and to discover if this influence is associated with their time trends. Eight centres in Spain performed both ISAAC phases I (1994) and III (2002...
Using a quasi-experimental design, 118 Latina girls, ages 13-18, viewed five color photographs of White women. Girls viewed either images of sexualized women or images of non-sexualized women. After viewing the images, girls were asked to complete the sentence stem, "I am…" 20 times. Thirty percent of girls spontaneously described their ethnicity in one of their sentence completions. Spontaneou...
Anti-vibration gloves have been used in real workplaces to reduce vibration transmitted through hand-held power tools to the hand. Generally materials used for vibration attenuation in gloves are resilient materials composed of certain synthetic and/or composite polymers. The mechanical characteristics of the resilient materials used in anti-vibration gloves are prone to be influenced by enviro...
Research investigating neighborhood effects on children and families has been largely deficit and individual-focused, investigated structural variables, and has typically produced equivocal findings and small effect sizes. We suggest an approach focused on community strengths and resources that stresses the role of measures of social interaction variables and the utilization of analytic strateg...
Despite the practical importance of Personal Protective Equipment (PPE), both in production and in consumption, it is observed a main problem regarding the quality of many PPE�s used in Brazil. This study found a gap between the state of the art and the state of prevailing practices in the design of PPE�s, which main consequences affect the health of workers who use PPE in agriculture activitie...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید